private async void Border_MouseUp(object sender, MouseButtonEventArgs e)
{
Border b = sender as Border;
var square = b.DataContext as ChessSquare;
ChessSquare possibleSelectedSquare;
var vm = FindResource("vm") as ChessViewModel;
mIsSelected = !mIsSelected; //toggling selected
if (mIsSelected)
{
possibleSelectedSquare = square;
square.IsSelected = true;
mSelectedSquare = square;
}
else if (vm.IsPossibleEndPosition(mSelectedSquare.Position, square.Position))
{
if (mSelectedSquare.Piece.PieceType == Model.ChessPieceType.Pawn && (square.Position.Row == 0 || square.Position.Row == 7))//promotion
{
var promotionWindow = new PromotionWindow(vm, mSelectedSquare.Position, square.Position);
promotionWindow.ShowDialog();
}
else if (vm.CanEnable)
{
vm.CanEnable = false;
await vm.ApplyMove(mSelectedSquare.Position, square.Position, Model.ChessPieceType.Empty);
vm.CanEnable = true;
}
square.IsHighlighted = true;
mSelectedSquare.IsSelected = false;
}
else
{
mIsSelected = false;
mSelectedSquare.IsSelected = false;
}
}
private async void Border_MouseUp(object sender, MouseButtonEventArgs e)
{
Border b = sender as Border;
var square = b.DataContext as ChessSquare;
var vm = FindResource("vm") as ChessViewModel;
//only select squares that are possible start positions from all possible moves
if (vm.PossibleStartPositions.Contains(square.Position))
{
//if no square has been selected currently, select the clicked square
if (selectedSquare == null)
{
square.IsSelected = true;
selectedSquare = square;
}
//if a square is already select, determine if the same square or a different square is clicked
else
{
//if the same square is clicked, deselect the square
if (selectedSquare == square)
{
square.IsSelected = false;
selectedSquare = null;
}
//if a different square is clicked, delselect the previous square and select the new one
else
{
//Fix Applied: Need to deselect before changing selectedSquare
selectedSquare.IsSelected = false;
//if (square.IsHighlighted)
//{
// vm.ApplyMove(square.Position);
// selectedSquare = null;
//}
//else
//{
square.IsSelected = true;
selectedSquare = square;
//}
}
}
//square.IsSelected = (square.IsSelected) ? false:true;
}
else
{
//if the square that is not a starting position of possible move is selected, deselect the previous square
if (selectedSquare != null)
{
selectedSquare.IsSelected = false;
//True if square is ending position of possible move
if (square.IsHighlighted)
{
vm.StartBoardPosition = selectedSquare.Position;
//Check if move is pawn promotion
if (vm.GetPieceAtPosition(vm.StartBoardPosition).PieceType == ChessPieceType.Pawn &&
((vm.CurrentPlayer == 1 && vm.StartBoardPosition.Row == 1) ||
(vm.CurrentPlayer == 2 && vm.StartBoardPosition.Row == 6)))
{
PromotionWindow promoteWin = new PromotionWindow(vm, vm.StartBoardPosition, square.Position);
promoteWin.ShowDialog();
//ChessPieceType checker = vm.PromotedPiece;
}
//else
//{
Window parentWindow = Window.GetWindow(this);
parentWindow.IsEnabled = false;
this.IsEnabled = false;
//Apply Move needs to have an extra param to take PieceType for the pawn to promote to
await vm.ApplyMove(square.Position);
parentWindow.IsEnabled = true;
this.IsEnabled = true;
//}
}
selectedSquare = null;
}
}
}
